纖纖聚糖 的英文怎麼說
中文拼音 [xiānxiānjùtáng]
纖纖聚糖
英文
cellulosan-
The linear glucan molecules of cellulose are bound together by hydrogen bonds.
纖維素中直鏈葡聚糖分子由氫鍵連接在一起。This experiment passing to grope for the carbon source constitutes of the culture medium and using t. reesei rut c - 30 induced the expression of # - mannanase ( # - 1, 4 - mannan mannohydrolase ec 3. 2. 1. 78 ). in this experiment i put the constant carbon source ( lactose and locust bean gum ) in the foundation culture medium ( mandels nourishment liquid ) of t. reesei rut c - 30, then proceeded the variable carbon source ( dragon spruce fiber, com rush pith fiber, wheat straw fiber, wheat straw xylan, corn rush pith xylan, dragon spruce mannan ) to single factor, double factor, three factor, four factor and five factor orthogonal experiment. 1 determined the activity of p - mannanase using locost bean gum as substract by the 3, 5 - dinitosalicylic acid method, and observed the growing situation of the gernic at the end i selected the directions for the inducement expression of the # ? mannanase from trichoderma reesei rut - c30 that contained the dragon spruce fiber, wheat straw xylan, dragon spruce mannan
在里氏木霉rutc - 30的基礎培養基( mandels營養液)中加入固定碳源乳糖和槐豆膠,然後將可變碳源(雲杉纖維、玉米芯纖維、麥桿纖維、麥桿木聚糖、玉米芯木聚糖、雲杉甘露聚糖)進行單因子、雙因子、三因子、四因子、五因子的里氏木霉rutc - 30正交培養實驗,並以槐豆膠為底物用3 , 5二硝基水楊酸法測定培養液中?甘露聚糖酶的活力。從而確定了酶活最高且菌體生長良好的含雲杉纖維、麥桿木聚糖和雲杉甘露聚糖的誘導培養基為最佳培養基,用該培養基培養的里氏木霉( t . reesei ) rutc - 30使其轉錄的-甘露聚糖酶( - 1 , 4 - mannanmannohydrolaseec3 . 2 . 1 . 78 ) mrna量能夠滿足rt - pcr的要求。The metabolism of these extreme microbes during the production of maotai liquor would further produce multiple enzymes of thermal stability such as amylase, protease, saccharifying enzyme, cellulose, glucase, xylanase, and each kind of dehydrase involved in redox reaction, and dna polyase etc
茅臺酒釀造過程中極端釀酒微生物代謝產生多種熱穩定性的酶,如澱粉酶、蛋白酶、糖化酶、纖維素酶、葡萄糖甘酶、木聚糖酶、參與氧化還原反應的各種脫氮酶、磷酸烯醇丙酮酸激酶及dna聚合酶等。Purification and characterization of a cellobiohydrolase from the thermophilic fungus chaetomium thermophilum ct
嗜熱毛殼菌外切葡聚糖纖維二糖水解酶的純化和部分性質研究The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides
進一步對xynba進行了脫糖基化處理得到xynbb ,其分子量恢復到23kd ,證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現:三種酶的最適ph差異不大, xynb和xynba均為5 . 2 , xynbb為5 . 0 ; xynb和xynba的最適溫度均為60 , xynbb降為50 :在耐熱性上, xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ; xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ,明顯低於原酶的比活2814 . 45iu mg ; xynb和xynba的km值相當,分別為21 . 56 ( g kg )和20 . 87 ( g kg ) ,而xynbb的km值較大為27 . 10 ( g kg ) ; xynba和xynbb的vmax相差不大,分別為4568 mol mg ? min和5329 mol mg ? min ,明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性,對胃蛋白酶和胰蛋白酶有很好的抗性,且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現:以樺木木聚糖為底物時,酶解產物主要為木三糖和木四糖,含量分別為68 . 43和16 . 50 ,另外還含有11 . 79的木二糖;以玉米芯木聚糖為底物時,酶解產物主要為木二糖和木三糖,含量分別為81 . 78和11 . 55 。Effect of collagen and chitosan on aggregation property of pulp
膠原蛋白和殼聚糖對紙漿纖維絮聚性能的影響The enzyme had its optimum activity at ph 3. 5 and 55 and its km for sodium carboxymethyl cellulose at 50 and ph 5. 0 was 7. 41mg / ml. sacilin was inhibited the enzyme
-葡萄糖苷酶與內切-作用,可加速水解羧甲基纖維素鈉;內切p ?葡聚糖苷酶對葡萄糖苷酶水解水楊素具有抑制作用。( 5 ). glucose oxidase glass micro - pearls, the biology sensitive materials was prepared based on oxygen sensitive materials made by thermo - polymerization method, and could be utilized to detected the concentration of glucose in solution
( 5 )氧敏感材料在光纖葡萄糖傳感器中的應用:採用熱聚法制備氧敏感材料並在此基礎上制備了生物敏感材料? ?葡萄糖氧化酶玻璃微珠。The reduced level of cell - free rumen fluid had no significant effect on xylanase production, but had significant effect on the cmcase activity. without cell - free rumen fluid, the high concentration level of yeast extract could improve xylanase and cmcase production. in the third section, crude enzymes produced by anaerobic fungus a4 was extracted, and their characteristics of the crude enzyme was also investigated
與基礎產酶培養基相比,降低培養基中無細胞瘤胃液濃度對厭氧真菌所產木聚糖酶的酶活及比活力無顯著影響( p 0 . 05 ) ,但對其所產的羧甲基纖維素酶的酶活及比活力有顯著影響( p 0 . 05 ) 。Beta - glucan can be derived from the cell wall of oats and barley fiber ; baker ' s yeast ; medicinal mushroom
葡聚糖能從下面的細胞壁中獲取:燕麥及大麥纖維;貝克酵母法;醫用磨菇菌。Preparation of earthworm fibrinolytic enzymes by sbt of chitosan
以殼聚糖為基質對蚯蚓纖溶酶進行親和層析Effect of medium components on enzyme production and characterization of anaerobic fungal crude enzymes were also investigated. this thesis was described in the following three sections. in the first section, twelve anaerobic fungal strains isolated from rumen and faeces of ruminants were screened for xylanase and cmcase production
本研究從黑白花種公牛、水牛、山羊糞樣及山羊瘤胃內容物中分離到12株厭氧真菌,並對其進行了產高活性羧甲基纖維素酶和木聚糖酶菌株的篩選,同時還就培養基主要組分對厭氧真菌產酶的影響和厭氧真菌的粗酶性質進行了研究。With powerful cells activating function, the product can activate fiber cells in cuticle, assist to produce proteoglycan, obviously remove wrinkles and firm droopy skin, assist to firm cuticle, improve collagen fiber, make skin firm and rich persistently
能強力賦活真皮纖維細胞,幫助核心蛋白聚糖的生成,顯著改善肌膚皺紋、鬆弛現象,有助於真皮的即效回復,快速補充其彈性,增強膠原纖維,持續保持肌膚緊實而富有彈性,製造出充盈緊致的肌膚。Effects of selenium chitosan on proliferation and collagen synthesis of fibroblasts cultured in vitro
硒化殼聚糖對體外培養成纖維細胞增殖及膠原合成的影響The corticosteroid dexamethasone increases glycosaminoglycan, elastin, and fibronectin production in cultured trabecular meshwork ; the glycosaminoglycan deposition increases further with prolonged steroid exposure [ 33, 34 ]
地塞米松可以引起培養的小梁細胞分泌葡萄糖胺聚糖、彈力蛋白和纖維連接蛋白的增加;葡萄糖胺聚糖的沉積會隨著地塞米松作用時間的延長而增加[ 33 , 34 ] 。The action of decorin in anti - fibrosis and anti - cancer
飾膠蛋白聚糖的抗纖維化和抗腫瘤作用Firstly, after a great deal of investigation and research, the author chose polypropylene ( pp ) and poly ( glycolide - lactide ) ( pgla ) as the tubular fabric material and the acetic acid solution of chitosan as the coating material. polypropylene display superior biomechanical properties while the pgla fiber is characteristic of controllable biodegradability, and chitin integrate the excellent biological properties of both collagen and cellulose
本文首先選定了人工氣管支架織物的編織原料為具有生物學惰性及良好力學性能的醫用丙綸和具有優良生物性能的聚乙丙交酯;由於甲殼素兼具高等動物組織中的膠原和植物纖維中纖維素兩者的優異生物特性,所以在本課題中採用的人工氣管塗層材料為殼聚糖乙酸溶液。Activated membranes for covalent immobilization of hydroxyethyl cellulose ( hec ) and chitosan were obtained by the reaction of microfilitration nylon membrane with activation reagents such as bisxirane, 1, 1 ' - carbonyldiimidazole, epibromohydrin and formaldehyde
以尼龍膜為基膜,分別將親水性物質羥乙基纖維素和殼聚糖共價鍵合在膜上,制得尼龍羥乙基纖維素復合膜和尼龍殼聚糖復合膜。The density of cultivated dermal fibroblast was adjusted to 5x 105 / cm2, cell suspension was inoculated on glutaraldehyde cross - linked collagen chitosan spongy membrane to make a cell - matrix complex
真皮成纖維細胞在膠原一殼聚糖多孔膜上的培養:將培養的真皮成纖維細胞濃度調整到5x10 』冰。Citrus waste is rich in pectin, cellulose, and polysaccharides, which can be turned into sugars and fermented into alcohol
柑桔類植物的果實表皮中富含膠質纖維素和多聚糖,這些成分能夠被轉化為糖,經發酵后再變成酒精。分享友人